Weyerhaeuser to Release Third Quarter Results on October 26

Conference call and webcast at 7 a.m. PT (10 a.m. ET)

FEDERAL WAY, Wash., — Weyerhaeuser Company (NYSE: WY) will release third quarter 2012 results on Friday, October 26, before the market opens. The company will hold a live conference call at 7 a.m. Pacific (10 a.m. Eastern) the same day to discuss results.

To access the news release, live webcast and presentation online, go to the Investor Relations section on www.weyerhaeuser.com on October 26.

To join the conference call from within North America, dial 877-296-9413 (access code – 41409566) at least 15 minutes prior to the call. Those calling from outside North America should dial 706-679-2458 (access code – 41409566). Replays will be available for one week at 800-585-8367 (access code – 41409566) from within North America and at 404-537-3406 (access code – 41409566) from outside North America.

The webcast is available to both institutional and individual investors through the Thomson StreetEvents Network. Individual investors can listen to the call at www.fulldisclosure.com, Thomson’s individual investor portal. Institutional investors can access the call via Thomson’s password-protected site at www.streetevents.com.

Weyerhaeuser Company, one of the world’s largest forest products companies, began operations in 1900. We grow and harvest trees, build homes and make a range of forest products essential to everyday lives. We manage our timberland on a sustainable basis in compliance with internationally recognized forestry standards. At the end of 2011, we employed approximately 12,800 employees in 11 countries. We have customers worldwide and generated $6.2 billion in sales from continuing operations in 2011. Our stock trades on the New York Stock exchange under the symbol WY. Learn more at www.weyerhaeuser.com.